Should the portion of tissue deprived of its circulation be contained in an internal organ, as is so often the case where the obstruction in the artery is due to embolism, it becomes converted into what is known as an " infarction."
This lipoemic condition may cause embolism, the plugging especially occurring in the lung capillaries.
Less importance in this respect, and in other disorders many of them of grave incidence, is the knowledge of the phenomena of embolism and of thrombosis, also gained during the latter half of the 19th century - W.
By embolism is meant the more or less sudden stoppage of a vessel by a plug of solid matter carried thither by the current of the blood; be it a little clot from the heart or, what is far more pernicious, an infective fragment from some focus of infection in the body, by which messengers new foci of infection may be scattered about the body.
To the discovery of the parts played in disease by thrombosis and embolism we have referred above.